-al a-a aaa aae aaf aag aak aal aas aea aee aef aeg aek ael aes af- afa afe aff afg afk afl afs ag- aga age agf agg agk agl ags aka ake akg akk akl aks al- ala ale alf alg alk all als as- asa ase asf asg ask asl ass eaa eae eaf eag eak eal eas eea eee eef eeg eek eel ees ef- efa efe eff efg efl efs ega ege egf egg egl egs eka eke ekf ekg ekl eks ela ele elf elg elk ell els es- esa ese esf esg esk esl ess faa fae faf fag fak fal fas fea fee fef feg fek fel fes ffa ffe fff ffg ffk ffl ffs fga fge fgf fgg fgl fgs fka fkf fkg fkk fkl fla fle flf flg fll fls fsa fse fsf fsg fsk fsl fss gaa gae gaf gag gak gal gas ge- gea gee gef geg gek gel ges gfa gfe gff gfk gfl gfs gga ggg ggs gka gks gla gle glf glg glk gll gls gsa gse gsf gsg gsk gsl gss ka- kaa kae kaf kag kak kal kas ke- kea kee kef keg kek kel kes kfa kff kfg kfs kga kgf kgl kgs kke kkk kkl kks kl- kla klf klg kls ksa kse ksf ksg ksk ksl kss la- laa lae laf lag lak lal las lea lee lef leg lek lel les lfa lfe lff lfg lfk lfl lfs lga lge lgf lgg lgk lgl lgs lka lkg lkl lks lla lle llf llg llk lll lls lsa lse lsf lsg lsk lsl lss saa sae saf sag sak sal sas se- sea see sef seg sek sel ses sfa sfe sff sfg sfk sfl sfs sga sge sgf sgg sgk sgl sgs sk- ska ske skf skg skk skl sks sla sle slf slg slk sll sls ss- ssa sse ssf ssg ssk ssl sss